CN103358514A - Efficient polyolefin single screw extruder with length-diameter ratio of 33 - Google Patents

Efficient polyolefin single screw extruder with length-diameter ratio of 33 Download PDF

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Publication number
CN103358514A
CN103358514A CN2012100909087A CN201210090908A CN103358514A CN 103358514 A CN103358514 A CN 103358514A CN 2012100909087 A CN2012100909087 A CN 2012100909087A CN 201210090908 A CN201210090908 A CN 201210090908A CN 103358514 A CN103358514 A CN 103358514A
Authority
CN
China
Prior art keywords
single screw
machine
machine barrel
draw ratio
screw rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012100909087A
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Chinese (zh)
Inventor
余汉祥
何春雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI JINHU EXTRUSION EQUIPMENT CO Ltd
Original Assignee
SHANGHAI JINHU EXTRUSION EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI JINHU EXTRUSION EQUIPMENT CO Ltd filed Critical SHANGHAI JINHU EXTRUSION EQUIPMENT CO Ltd
Priority to CN2012100909087A priority Critical patent/CN103358514A/en
Publication of CN103358514A publication Critical patent/CN103358514A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/625Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/397Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/54Screws with additional forward-feeding elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention relates to an efficient polyolefin single screw extruder with a length-diameter ratio of 33. The efficient polyolefin single screw extruder comprises an extruding system, a transmission system, a heating and cooling system and a control system, wherein the extruding system comprises a nose adapter, a distribution plate, a cylinder, a screw rod, a cylinder bushing and a hopper assembly, the nose adapter is connected with the cylinder, the distribution plate is arranged at the end part of the cylinder, the screw rod is arranged in the cylinder, the cylinder bushing is arranged between the cylinder and the screw rod, the hopper assembly is communicated with the cylinder, the transmission system comprises a drive motor, a speed reduction box and a coupler, the drive motor is connected with the speed reduction box through the coupler, the speed reduction box is connected with the screw rod, the drive motor drives the screw rod to rotate, and the heating and cooling system comprises a nose heater, a cylinder heater and a cooling fan. Compared with the prior art, the efficient polyolefin single screw extruder has the advantages of high quality of products, energy saving, high efficiency, high stability, long service life and the like.

Description

The efficient polyolefin single screw extrusion machine of draw ratio 33
Technical field
The present invention relates to a kind of single screw extrusion machine, especially relate to a kind of efficient polyolefin single screw extrusion machine of draw ratio 33.
Background technology
In the extruded product of thermoplastic, with regard to the annual production of producing, polyolefin pipe is one of maximum plastic products, and polyolefin pipe all is to be created by single screw extrusion machine basically.
Become the focal issue that must face in the industry so develop efficient single screw extrusion machine, wherein efficient single screw extrusion machine is embodied in: the high moment of torsion that adapts to high yield; High speed and the melt output of not fluctuating; High yield under the low screw speed; High speed extrusion under the low melt temperature, having a lot of problems to limit domestic extruder develops to high-performance extruder, wherein important problem has: the conveying of screw rod, compression, the function such as melting and homogenizing is at three sections (metering sections of screw rod, the compression section, feeding section) be overlapped on, have several factors can cause each functional section screw rod mobile (as adding feed states unstable, screw speed variation etc.), it is larger that extrusion capacity is affected by head pressure, and relevant with viscosity, to cause output along with pressure, temperature fluctuates, and is particularly serious when particularly rotating speed improves.
At present this type of high-end and large-scale extruder is mainly monopolized by the famous plastic apparatus producer in Europe.The extruder that domestic demands have peer-level satisfies the demand of domestic market, replace imported equipment.The domestic Chinese extruder that also needs to have peer-level is participated in international competition, to satisfy the demand of overseas market, enlarges our molding machine products export.
Summary of the invention
Purpose of the present invention is exactly the efficient polyolefin single screw extrusion machine that the draw ratio 33 of a kind of high-quality product quality, efficient energy-saving, high stability, long service life is provided in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of efficient polyolefin single screw extrusion machine of draw ratio 33 is characterized in that, comprises extrusion system, transmission system, heating and cooling system and control system, described control system respectively with extrusion system, transmission system, heating and cooling system control connection;
Described extrusion system comprises head adapter, flow distribution plate, machine barrel, screw rod, machine barrel lining and hopper component, described connection adapter is connected with machine barrel, described flow distribution plate is located at the machine barrel end, described screw rod is located in the machine barrel, described machine barrel lining is located between machine barrel and the screw rod, and described hopper component is communicated with machine barrel; Described transmission system comprises drive motors, reduction box and shaft coupling, and described drive motors connects reduction box by shaft coupling, reduction box connecting screw rod, drive motors drive screw turns; Described heating and cooling system comprises die heating device and barrel heater and cooling blower, and described die heating device is located on the head adapter, and described barrel heater and cooling blower are located on the machine barrel.
Described hopper component comprises hopper body, connecting plate, flashboard and hopper, and described hopper body is connected with hopper by connecting plate, and described flashboard is located at the feeding port of hopper body, is used for control material loading speed.
Described machine barrel is fixed on the frame by cylinder support.
Described screw rod is divided into positive feed section, segregation section and mixing section.
The machine barrel lining at described positive feed section place is provided with groove.
Described this groove is vertical rectangle groove or spiral rectangle groove.
Described drive motors and reduction box adopt the associated mode syndeton.
Described control system comprises frequency converter, relay, action button and Displaying Meter.
Described Displaying Meter comprises pressure display table and temperature display watch.
Described heater is ceramic heater.
Compared with prior art, the present invention has the following advantages:
1, high-quality product quality, efficient energy-saving, high stability, long service life,
The structural design of extruder screw of the present invention is pressed three sections designs, positive feed section L1, segregation section L2, mixing section L3 based on the theory of high-speed and high-efficiency;
Good melt thermal uniformity is the key factor that high-quality tubing is extruded, and its continual and steady low melt temperature is brought desirable melt thermal uniformity; Bring perfect plasticizing effect; The melt uniformity that perfect plasticizing effect adds coideal has guaranteed the high-quality of product;
2, efficient energy-saving, high stability,
Section is fed in the pressure of extrusion system, is to finish by the screw feed section of optimal design and the machine barrel lining of with groove, and the machine barrel lining of positive feed section has adopted vertical rectangle groove structure or screw type groove; Transfer efficiency is high.
The design of novel extruder screw makes the pressure of each section of extruder reach optimum value, makes that the extruded velocity of material is basic to have nothing to do the pressure good rigidly of extruder with back pressure;
Novel extruder screw design makes the output of each section of extruder material and plasticizing quality reach best coupling and combination, the output of material is directly proportional with the screw speed of extruder under the state of isothermal, equipressure, the extrusion capacity of extruder and screw speed good linearity, stability and the precision of extruder have been improved greatly, (with reference to Fig. 3, Fig. 4);
3, long service life,
Guaranteeing to stablize under conveying, high yield and the high-quality prerequisite, vertical rectangular configuration or screw type trench design by the lining groove, and the particular design of this serial screw rod, effectively reduce the pressure (with reference to Fig. 5) of feeding section, so that the wearing and tearing of machine barrel, screw rod significantly reduce, effectively increased the service life of this serial extruder.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is side-looking structural representation of the present invention;
Fig. 3 is the output figure of single screw extrusion machine JHE1-33B series of the present invention;
Fig. 4 is the corresponding relation figure between the present invention's efficient JHE1-90-33B extruder screw rotating speed and the rate of extrusion;
Fig. 5 is JHE1-90-33B of the present invention efficient single-screw compulsory feed extruder pressure and common forced feed extruder pressure comparison figure.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1 and Figure 2, a kind of efficient polyolefin single screw extrusion machine of draw ratio 33, comprise extrusion system, transmission system, heating and cooling system and control system 12, described control system 12 respectively with extrusion system, transmission system, heating and cooling system control connection;
Described extrusion system comprises head adapter 1, flow distribution plate 3, machine barrel 5, screw rod 7, machine barrel lining 10 and hopper component, described connection adapter 1 is connected with machine barrel 5, described flow distribution plate 4 is located at machine barrel 5 ends, described screw rod 7 is located in the machine barrel 5, described machine barrel lining 10 is located between machine barrel 5 and the screw rod 7, and described hopper component is communicated with machine barrel 5; Described transmission system comprises drive motors 9, reduction box 17 and shaft coupling 16, and described drive motors 9 connects reduction box 17 by shaft coupling 16, reduction box 17 connecting screw rods 7, and drive motors 9 drive screws 7 rotate; Described heating and cooling system comprises die heating device 2 and barrel heater and cooling blower 4, and described die heating device 3 is located on the head adapter 1, and described barrel heater and cooling blower 4 are located on the machine barrel 5.Described heater is ceramic heater, by automatically controlled automatic accurate temperature controlling.
Described hopper component comprises hopper body 15, connecting plate 14, flashboard 13 and hopper 11, and described hopper body 15 is connected with hopper 11 by connecting plate 14, and described flashboard 13 is located at the feeding port of hopper body 15, is used for control material loading speed.
Described machine barrel 5 is fixed on the frame 8 by cylinder support 6.Described screw rod is divided into positive feed section L1, segregation section L2 and mixing section L3.The positive feed section of extrusion system is to finish by the screw feed section of optimal design and the machine barrel lining of with groove.The machine barrel lining of positive feed section has adopted vertical rectangle groove or spiral rectangle groove structure; Transfer efficiency is high.
Extruder screw design makes the pressure of each section of extruder reach optimum value, makes that the extruded velocity of material is basic to have nothing to do the pressure good rigidly of extruder with back pressure;
The extruder screw design makes the output of each section of extruder material and plasticizing quality reach best coupling and combination, the output of material is directly proportional with the screw speed of extruder under the state of isothermal, equipressure, the extrusion capacity of extruder and the good linearity of screw speed have improved stability and the precision of extruder greatly.
Described drive motors and reduction box adopt the associated mode syndeton, and compact conformation has effectively been saved the occupation of land space.
Described control system comprises frequency converter, relay, action button and Displaying Meter, and described Displaying Meter comprises pressure display table and temperature display watch, can observe at any time melt pressure and temperature, adjusts in real time according to necessary requirement.
Material is by after forcing feeding section to enter machine barrel 5, flow through successively positive feed section L1, segregation section L2, mixing section L3, promote machine barrel 5 temperature by barrel heater, drive screw rod 7 at the machine barrel internal rotating by drive motors 9 by reduction box 17, so that material in machine barrel 5 through Solid Conveying and Melting, melting separate plasticizing, mix after material high-efficiency, flow in the flow distribution plate 3 at high speed, enter again in the follow-up mould that is connected by head adapter 1.
Single screw extrusion machine of the present invention comprises that JHE1-33B series sees table 1 in detail, and its technical parameter sees table 2 in detail:
Table 1
Table 2

Claims (10)

1. the efficient polyolefin single screw extrusion machine of a draw ratio 33 is characterized in that, comprises extrusion system, transmission system, heating and cooling system and control system, described control system respectively with extrusion system, transmission system, heating and cooling system control connection;
Described extrusion system comprises head adapter, flow distribution plate, machine barrel, screw rod, machine barrel lining and hopper component, described connection adapter is connected with machine barrel, described flow distribution plate is located at the machine barrel end, described screw rod is located in the machine barrel, described machine barrel lining is located between machine barrel and the screw rod, and described hopper component is communicated with machine barrel; Described transmission system comprises drive motors, reduction box and shaft coupling, and described drive motors connects reduction box by shaft coupling, reduction box connecting screw rod, drive motors drive screw turns; Described heating and cooling system comprises die heating device and barrel heater and cooling blower, and described die heating device is located on the head adapter, and described barrel heater and cooling blower are located on the machine barrel.
2. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 1, it is characterized in that, described hopper component comprises hopper body, connecting plate, flashboard and hopper, described hopper body is connected with hopper by connecting plate, described flashboard is located at the feeding port of hopper body, is used for control material loading speed.
3. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 1 is characterized in that, described machine barrel is fixed on the frame by cylinder support.
4. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 1 is characterized in that, described screw rod is divided into positive feed section, segregation section and mixing section.
5. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 4 is characterized in that, the machine barrel lining at described positive feed section place is provided with groove.
6. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 5 is characterized in that, described this groove is vertical rectangle groove or spiral rectangle groove.
7. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 1 is characterized in that, described drive motors and reduction box adopt the associated mode syndeton.
8. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 1 is characterized in that, described control system comprises frequency converter, relay, action button and Displaying Meter.
9. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 8 is characterized in that, described Displaying Meter comprises pressure display table and temperature display watch.
10. the efficient polyolefin single screw extrusion machine of a kind of draw ratio 33 according to claim 1 is characterized in that, described heater is ceramic heater.
CN2012100909087A 2012-03-30 2012-03-30 Efficient polyolefin single screw extruder with length-diameter ratio of 33 Pending CN103358514A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2012100909087A CN103358514A (en) 2012-03-30 2012-03-30 Efficient polyolefin single screw extruder with length-diameter ratio of 33

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104175525A (en) * 2014-07-18 2014-12-03 海宁长昆包装有限公司 Extruding device with improved structure
CN104175526A (en) * 2014-08-29 2014-12-03 江苏诚盟装备股份有限公司 Efficient energy-saving single-screw extruder
CN105291404A (en) * 2015-11-19 2016-02-03 湖南省客来宝生物能源科技有限公司 Biodegradation film extrusion machine
CN105773945A (en) * 2016-04-26 2016-07-20 江苏荆溪环保设备有限公司 Corundum tube-type film extrusion device
CN111590915A (en) * 2020-06-30 2020-08-28 深圳技术大学 Desktop formula single screw rod is extruded and is printed integrative model machine with 3D

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2429318Y (en) * 2000-06-12 2001-05-09 徐凌秀 Plastic pipe extruding apparatus with single screw rod
CN202528412U (en) * 2012-03-30 2012-11-14 上海金湖挤出设备有限公司 Efficient polyolefin single screw rod extruder with length-diameter ratio of 33

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2429318Y (en) * 2000-06-12 2001-05-09 徐凌秀 Plastic pipe extruding apparatus with single screw rod
CN202528412U (en) * 2012-03-30 2012-11-14 上海金湖挤出设备有限公司 Efficient polyolefin single screw rod extruder with length-diameter ratio of 33

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104175525A (en) * 2014-07-18 2014-12-03 海宁长昆包装有限公司 Extruding device with improved structure
CN104175526A (en) * 2014-08-29 2014-12-03 江苏诚盟装备股份有限公司 Efficient energy-saving single-screw extruder
CN105291404A (en) * 2015-11-19 2016-02-03 湖南省客来宝生物能源科技有限公司 Biodegradation film extrusion machine
CN105773945A (en) * 2016-04-26 2016-07-20 江苏荆溪环保设备有限公司 Corundum tube-type film extrusion device
CN111590915A (en) * 2020-06-30 2020-08-28 深圳技术大学 Desktop formula single screw rod is extruded and is printed integrative model machine with 3D

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Application publication date: 20131023